Yolk SacEgg YolkEmbryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationBlastocystEmbryonic DevelopmentEndodermal Sinus TumorEmbryonic and Fetal DevelopmentEmbryo LossGene Expression Regulation, DevelopmentalPregnancyVitelline MembraneEndodermMesonephromaFertilization in VitroCleavage Stage, OvumBlastomeresEndolymphatic SacZebrafishAir SacsGastrulaIn Situ HybridizationEmbryo DispositionMesodermMorulaZygoteCulture TechniquesCryopreservationMorphogenesisBody PatterningGestational SacHematopoiesis, ExtramedullaryAnal SacsOocytesGestational AgeCell DifferentiationMolecular Sequence DataPlacentaExtraembryonic MembranesZebrafish ProteinsEctodermEmbryo ResearchTranscription FactorsRNA, MessengerSingle Embryo TransferCloning, OrganismEctogenesisChimeraalpha-FetoproteinsBase SequenceNuclear Transfer TechniquesEgg ProteinsTime FactorsPinocytosisPregnancy RateHomeodomain ProteinsFetusBlastodermPovidoneBlood VesselsEmbryonic InductionMesonephrosMice, Inbred ICROvumSeedsXenopus ProteinsSperm Injections, IntracytoplasmicAmino Acid SequenceFetal ViabilityFetal DeathTeratogensCell LineageSea UrchinsGenes, LethalImmunohistochemistryPhenotypeTeratomaMice, Inbred C57BLDysgerminomaHematopoiesisAmnionParthenogenesisAllantoisDrosophilaMutationFertilizationDrosophila ProteinsHematopoietic Stem CellsQuailPregnancy Trimester, FirstOrgan Culture TechniquesDNA-Binding ProteinsChorionPlacentationTrophoblastsErythropoiesisGene ExpressionAnimals, Genetically Modified